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Journal of Medical Entomology

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https://www.readbyqxmd.com/read/29688539/detection-of-dna-of-leishmania-siamensis-in-sergentomyia-neophlebotomus-iyengari-diptera-psychodidae-and-molecular-identification-of-blood-meals-of-sand-flies-in-an-affected-area-southern-thailand
#1
Suradej Siripattanapipong, Saovanee Leelayoova, Ubolrat Ninsaeng, Mathirut Mungthin
In Thailand, leishmaniasis is an emerging vector-borne disease that has become a public health concern. In related epidemiological surveys to identify potential Leishmania vectors in the affected areas, DNA of Leishmania martiniquensis (Kinetoplastida: Trypanosomatidae) was detected in Sergentomyia (Neophebotomus) gemmea (Diptera: Psychodidae) and Sergentomyia (Parrotomyia) barraudi (Diptera: Psychodidae). Recently, a more elaborate study was conducted in the same areas that included sand fly species identification, screening sand flies for the presence of Leishmania DNA and blood meal analysis to identify potential reservoir hosts directed toward assessing the risk of human infection...
April 24, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29668956/metagenome-and-culture-based-methods-reveal-candidate-bacterial-mutualists-in-the-southern-house-mosquito-diptera-culicidae
#2
Aparna Telang, Jessica Skinner, Robert Z Nemitz, Alexander M McClure
Mosquitoes are intensely studied as vectors of disease-causing pathogens, but we know relatively less about microbes that naturally reside in mosquitoes. Profiling resident bacteria in mosquitoes can help identify bacterial groups that can be exploited as a strategy of controlling mosquito populations. High-throughput 16S rRNA gene sequencing and traditional culture-based methods were used to identify bacterial assemblages in Culex quinquefasciatus Say (Diptera: Culicidae) in a tissue- and stage-specific design...
April 16, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29668949/molecular-evidence-for-a-novel-species-of-babesia-in-unfed-rhipicephalus-sanguineus-sensu-lato-acari-ixodidae
#3
Sezayi Ozubek, Munir Aktas
This study reports a novel species of Babesia in unfed Rhipicephalus sanguineus sensu lato and its phylogenetic relationship to other species. One-hundred and forty DNA samples extracted from tick pools comprising 5,403 unfed R. sanguineus s.l. ticks were screened for Babesia. Overall Babesia infection was detected in female, male, and nymph pools with an infection rate maximum likelihood estimate (MLE) of 1.98 (CI 0.65-4.74), 0.50 (CI 0.03-2.40), and 0.07 (CI 0.01-0.21), respectively. Three adult female tick pools (MLE 1...
April 16, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29659935/importance-of-leishmania-species-and-vector-sand-fly-diptera-psychodidae-identification
#4
Yoshihisa Hashiguchi, Eduardo A Gomez
No abstract text is available yet for this article.
April 12, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29659934/a-new-species-of-sucking-louse-phthiraptera-anoplura-polyplacidae-from-the-gray-mouse-lemur-microcebus-murinus-primates-cheirogaleidae-in-madagascar
#5
Lance A Durden, Sharon E Kessler, Ute Radespiel, Elke Zimmermann, Alida F Hasiniaina, Sarah Zohdy
Lemurpediculus madagascariensis sp. nov. (Phthiraptera: Anoplura: Polyplacidae) is described from the Gray Mouse lemur, Microcebus murinus (J. F. Miller) (Primates: Cheirogaleidae), from Ankarafantsika National Park, Madagascar. Lemurs were trapped using Sherman Live Traps and visually inspected for lice, which were preserved in 90% ethanol. Adults of both sexes and the third-instar nymph of the new species are illustrated and distinguished from the four previously known species of Lemurpediculus: L. verruculosus (Ward); L...
April 12, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29659922/chronology-of-the-intrapuparial-development-of-the-blowfly-chrysomya-albiceps-diptera-calliphoridae-application-in-forensic-entomology
#6
Mônica Salazar-Souza, Márcia S Couri, Valeria M Aguiar
Insects display different patterns of development, and blow flies have one of the most specialized patterns of intrapuparial development of all. In forensic entomology, pupae can be used as a tool to estimate the minimum postmortem time interval (minPMI). We analyzed the intrapuparial development of Chrysomya albiceps (Diptera: Caloricidade), whose larvae had been fed pig lungs and reared in a climate-controlled room at 28°C day/26°C night, 70 ± 10% RH, and 12 h of photophase and monitored daily. After the third-instar larvae abandoned their diet, the process of pupariation and pupation was monitored...
April 12, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29659921/co-circulation-of-flanders-virus-and-west-nile-virus-in-culex-mosquitoes-diptera-culicidae-from-chicago-illinois
#7
Karen C Poh, Estelle Martin, Edward D Walker, Uriel Kitron, Marilyn O Ruiz, Tony L Goldberg, Gabriel L Hamer
West Nile virus (WNV) and Flanders virus (FLAV) co-occur in regions of North America. Because both viruses are maintained in a transmission cycle involving Culex mosquitoes and birds, screening mosquitoes for FLAV has been suggested as an enhancement to WNV surveillance and epidemic prediction. Using samples collected in 2010 and 2012 in Chicago, IL, USA, we demonstrate the presence of FLAV in four out of 287 (1.4%) Culex pools. We estimated minimum infection rates for WNV and FLAV to be 5.66 and 1.22 in 2010 and 8...
April 12, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29659919/response-to-hashiguchi-and-gomez-2018
#8
Cristina Quiroga, Varsovia Cevallos, Diego Morales, Manuel E Baldeon, Paul Cardenas, Patricio Rojas-Silva, Patricio Ponce
No abstract text is available yet for this article.
April 12, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29659944/factors-related-to-aedes-aegypti-diptera-culicidae-populations-and-temperature-determine-differences-on-life-history-traits-with-regional-implications-in-disease-transmission
#9
Evangelina Muttis, Agustin Balsalobre, Ailen Chuchuy, Carolina Mangudo, Alexander T Ciota, Laura D Kramer, María Victoria Micieli
Aedes aegypti (L.) (Diptera: Culicidae) is a vector of many medically significant viruses in the Americas, including dengue virus, chikungunya virus, and Zika virus. Traits such as longevity, fecundity, and feeding behavior contribute to the ability of Ae. aegypti to serve as a vector of these pathogens. Both local environmental factors and population genetics could contribute to variability in these traits. We performed a comparative study of Ae. aegypti populations from four geographically and environmentally distinct collection sites in Argentina in which the cohorts from each population were held at temperature values simulating a daily cycle, with an average of 25°C in order to identify the influence of population on life-history traits...
April 11, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29659932/effects-of-bacterial-dose-and-fly-sex-on-persistence-and-excretion-of-salmonella-enterica-serovar-typhimurium-from-adult-house-flies-musca-domestica-l-diptera-muscidae
#10
Dana Nayduch, Klara Zurek, Jessica L Thomson, Kathleen M Yeater
Salmonella Typhimurium (Le Minor and Popoff 1987; Enterobacteriales: Enterobacteriaceae) is a pathogen that causes gastroenteritis in humans and can be harbored by house flies. Factors influencing excretion of S. Typhimurium from infected flies have not been elucidated but are essential for assessing transmission potential. We determined the persistence and excretion of a green fluorescent protein (GFP) expressing strain of S. Typhimurium from house flies. Individual male and female flies were fed either sterile Luria-Bertani (LB) broth (controls) or cultures of "high" (~105 colony forming units [CFU]) or "low" (~104 CFU) doses of bacteria (treatments)...
April 11, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29635382/exploring-mosquito-fauna-of-majuro-atoll-republic-of-marshall-islands-in-the-context-of-zika-outbreak
#11
Jérôme Marie, Devika Perera, Helentina Garstang, Herve C Bossin, Kostas Bourtzis
First autochthonous Zika clinical case was reported in the Republic of Marshall Islands (RMI) on Majuro Atoll in February 2016. An entomological survey of mosquito larvae and adult populations was carried out in four areas of Majuro, the most populated atoll of RMI encompassing different habitats (forest, rural, or urban) including some with confirmed clinical Zika cases to evaluate which mosquito species could be involved in the Zika transmission. A total of 2,367 immature and adult mosquito specimens were collected and identified to the species level...
April 9, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29635478/nightly-biting-cycles-of-anopheles-species-in-rural-northwestern-burkina-faso
#12
Peter Dambach, Michael Schleicher, Patricia Korir, Saidou Ouedraogo, Johannes Dambach, Ali Sié, Martin Dambach, Norbert Becker
The biting behavior of anophelines is an important determinant of malaria transmission. Understanding the local vector host-seeking behavior, its outdoor/ indoor biting preference, and nocturnal biting periods is essential for effectively applying and improving vector control methods, such as Long Lasting Insecticidal Nets (LLINs) and personal protective measures. To better understand the biting and host-seeking patterns of Anopheles mosquitoes in Northwestern Burkina Faso, we performed biweekly Human Landing Catches (HLC) in six villages during the period of highest mosquito abundance and malaria transmission...
April 7, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29635368/dna-barcodes-for-forensically-important-fly-species-in-brazil
#13
Ricardo Koroiva, Mirian S de Souza, Fabio de Oliveira Roque, Mateus Pepinelli
Here, we analyze 248 DNA barcode sequences of 35 fly species of forensic importance in Brazil. DNA barcoding can be effectively used for specimen identification of these species, allowing the unambiguous identification of 31 species, an overall success rate of 88%. Our results show a high rate of success for molecular identification using DNA barcoding sequences and open new perspectives for immature species identification, a subject on which limited forensic investigations exist in Tropical regions. We also address the implications of building a robust forensic DNA barcode database...
April 7, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29659901/considerations-on-the-species-complex-of-the-cortelezzii-series-diptera-psychodidae-and-description-of-evandromyia-chacuensis-sp-nov-a-new-phlebotomine-species-of-the-chaco-region-argentina
#14
Enrique A Szelag, Juan R Rosa, Eunice A B Galati, José D Andrade Filho, Oscar D Salomón
A new species of phlebotomine sand fly is described and illustrated based on male and female specimens collected in rural and semi-urban areas of the Chaco Province, Argentina. A separation of the Cortelezzii series in two species complexes is proposed, as is a species key for its identification. The morphological characters of the new species permit its inclusion in the Cortelezzii series of genus Evandromyia, subgenus Barrettomyia (Diptera: Psychodidae). The species is named Evandromyia chacuensis sp. nov...
April 6, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29659928/detection-of-aedes-stegomyia-aegypti-diptera-culicidae-populations-in-southern-alabama-following-a-26-yr-absence-and-public-perceptions-of-the-threat-of-zika-virus
#15
Sarah Zohdy, Wayde C Morse, Derrick Mathias, Victoria Ashby, Sarah Lessard
With the establishment of Zika virus in the Americas, an accurate understanding of the geographic range of its primary vector, Aedes (Stegomyia) aegypti (L.) (Diptera: Culicidae), is vital to assessing transmission risk. In an article published in June 2016, Hahn and colleagues compiled county-level records in the United States for the presence of Ae. aegypti and Aedes (Stegomyia) albopictus (Skuse) (Diptera: Culicidae) reported between January 1995 and March 2016. Despite ecological suitability for both mosquito species along the Gulf Coast, Ae...
April 5, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29635529/acute-encephalitis-syndrome-in-eastern-uttar-pradesh-india-changing-etiological-understanding
#16
Manoj Murhekar, Jeromie Wesley Vivian Thangaraj, Mahima Mittal, Nivedita Gupta
Seasonal outbreaks of acute encephalitis syndrome (AES) with high case fatality have been occurring in Gorakhpur division in Eastern Uttar Pradesh, India, for more than three decades. Japanese encephalitis virus (JEV) accounted for <10% of AES cases, while the etiology of the remaining cases remained largely unknown. Investigations conducted during the 2014 and 2015 outbreaks indicated Orientia tsutsugamushi (Haruo Hayashi 1920) (Norio Ogata 1929) Tamura et al. 1995 (Rickettsiales: Rickettsiaceae) as the etiology in about 60% of AES cases...
April 4, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29618076/age-and-body-size-influence-sperm-quantity-in-male-aedes-albopictus-diptera-culicidae-mosquitoes
#17
A J Hatala, L C Harrington, E C Degner
Aedes albopictus (Skuse) (Diptera: Culicidae) is a vector of several arboviruses impacting human health, including dengue, chikungunya, and potentially Zika. Vector control strategies that deploy modified males into the field are in use or under development and require a solid understanding of male biology; unfortunately, there has been limited effort to understand male Ae. albopictus reproductive biology, including sperm production and capacity. We tested whether body size and age affect spermatogenesis in Ae...
March 31, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29618080/corrigendum-to-isolation-and-characterization-of-novel-polymorphic-microsatellite-markers-for-cimex-hemipterus-f-hemiptera-cimicidae
#18
(no author information available yet)
No abstract text is available yet for this article.
March 30, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29618025/erratum-to-comparative-oviposition-site-selection-in-containers-by-aedes-aegypti-and-aedes-albopictus-diptera-culicidae-from-florida
#19
(no author information available yet)
No abstract text is available yet for this article.
March 30, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29618051/landscape-physiognomy-influences-abundance-of-the-lone-star-tick-amblyomma-americanum-ixodida-ixodidae-in-ozark-forests
#20
Thomas R Van Horn, Solny A Adalsteinsson, Katie M Westby, Elizabeth Biro, Jonathan A Myers, Marko J Spasojevic, Maranda Walton, Kim A Medley
The lone star tick, Amblyomma americanum Linnaeus (Ixodida: Ixodidae), is emerging as an important human disease vector in the United States. While some recent studies have modeled broad-scale (regional or county-level) distribution patterns of A. americanum, less is known about how local-scale habitat characteristics drive A. americanum abundance. Such local-scale information is vital to identify targets for tick population control measures within land management units. We investigated how habitat features predict host-seeking A...
March 29, 2018: Journal of Medical Entomology
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